Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
developing asia » development asia, developing a
information 1 » information 2, information 3, information 3.2
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
stresses. » stress.

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien fur information 1 _ voice communication costs 4 developing asia stresses.*.